Senior Radar Firmware Engineer

Company: Density
Location: San Francisco
Posted on: April 22, 2025

Job Description:

Density's mission is to measure and improve our footprint on the world.We help companies understand how their workplaces are used. We do that by observing behavior in the office through our highly accurate and always anonymous sensors. In other words: where are people actually spending their time? We translate that data into actionable, opinionated insights that help companies increase the financial and experiential performance of any workplace.Today, we work with companies from Fortune 500s to high growth innovators in technology, financial services and healthcare, occupying more than a billion square feet worldwide. And we're in it for the long game: what if we knew more, created better spaces, and could build cities that worked and felt better?The Opportunity:We're looking for a talented Radar Firmware Engineer to help us build one of the most advanced people sensing systems in the world. We build sensors and supporting software systems which anonymously and accurately measure the way people occupy and use space. Our sensors use phased array radar systems and sophisticated algorithms to measure the location of people over time, allowing our customers to optimize how much space they build or rent and how well they use the buildings they are already occupying. You will build the low level radar processing algorithms responsible for improving fundamental radar performance, ultimately responsible for a low-noise, high quality point cloud.In this role you will:

• Perform hands-on testing to optimize key performance metrics like target separation and positional accuracy.
• Ensure our radar processing and firmware are stable and robust, running smoothly on the embedded processing hardware.
• Define performance criteria for manufacturing partners to ensure that every unit built and shipped to customers is performing with high quality.
• Influence and help define next-generation hardware as we build more and more capable sensors.The ideal candidate will have:
• 10+ years experience in a Radar Firmware/DSP engineer or equivalent role.
• Hands-on experience optimizing a multi-target, phased array radar system.
• Strong software development skills in C/C++, able to set up and maintain a CI pipeline including unit tests for embedded FW within a larger system.
• Experience working in small form factor devices with limited power budget and compute capability.
• Strong writing skills; ability to craft clear and concise documentation.
• Ability to drive cross functional teams of peers to build complex systems and features.Job Compensation Range:Salary Range: $200,000 - $225,000Preferred Primary Location: San FranciscoThis is a hybrid role that requires a minimum in office 4 days a week in SF: Monday, Tuesday, Thursday & Friday.We offer:
• Excellent benefits including medical, dental, vision, mental and reproductive health, 401K, equity, unlimited and mandatory PTO and more.
• A company full of fun, smart, talented and legitimately kind teammates. Our culture powers everything we do and we work hard to nurture it by bringing on the right humans.
• A team hailing from innovators like Apple, LinkedIn, Stripe, Meraki, Flexport, WeWork, NASA & beyond.
• $227M raised from investors including Kleiner Perkins, Founders Fund and Upfront Ventures.
• The chance to change the built world as we know it.At Density, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace in our SF and NYC offices to ensure Denizens can create a work-life balance that best fits them.Density provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.
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Keywords: Density, San Francisco , Senior Radar Firmware Engineer, Engineering , San Francisco, California